/* V17.1.11 shared header. Approved V17.1.9 hierarchy; account actions retained. */
.mba177-header{position:relative;z-index:20;width:100%;margin:0;padding:0;background:#fbf9f5;color:#151613;border-bottom:1px solid #e8e1d6;font:16px/normal Georgia,'Times New Roman',serif;box-sizing:border-box}
.mba177-header *{box-sizing:border-box}.mba177-header .mba177-h-container{width:92%;max-width:1320px;margin:0 auto;padding:0}.mba177-header a{color:inherit;text-decoration:none;background:none;border:0;border-radius:0;margin-top:0;box-shadow:none}
.mba177-header .mba177-h-header-inner{min-height:100px;display:flex;align-items:center;gap:24px}.mba177-header .mba177-h-brand{display:inline-flex;flex-direction:column;white-space:nowrap;gap:0;padding:0;margin:0}
.mba177-header .mba177-h-wordmark{font-family:Georgia,'Times New Roman',serif;font-size:clamp(30px,3.3vw,46px);font-weight:700;letter-spacing:-1.6px;line-height:1.08;color:#151613}.mba177-header .mba177-h-wordmark>span{color:#a0633e}
.mba177-header .mba177-h-tagline{display:flex;justify-content:space-between;width:100%;font:600 clamp(10px,.9vw,12px)/1.2 Arial,sans-serif;letter-spacing:0;margin-top:8px;text-transform:uppercase;color:#262722}.mba177-header .mba177-h-tagline>span{color:inherit;background:none}
.mba177-header #main-nav{margin:0 0 0 auto;display:flex;gap:clamp(18px,1.7vw,30px);font:16px/1.4 Georgia,serif;padding:0;align-items:center;background:none;flex-shrink:0}.mba177-header #main-nav a{padding:8px 0;font:inherit}.mba177-header #main-nav a:hover{color:#975027}.mba177-header #main-nav a[aria-current=page]{text-decoration:underline;text-underline-offset:7px;text-decoration-color:#a0633e}
.mba177-header .mba177-h-header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;margin-left:10px}.mba177-header .mba177-h-author-action{display:inline-flex;align-items:center;justify-content:center;font:15px/1.3 Georgia,serif;white-space:nowrap;color:#fff;background:linear-gradient(135deg,#b5845d,#975e38);border:1px solid #bf906d;border-radius:3px;padding:10px 14px}.mba177-header .mba177-h-author-action:hover{background:#8b512d;color:#fff}.mba177-header .mba177-h-account-action{font:16px/1.4 Georgia,serif;white-space:nowrap;padding:8px 0}
.mba177-header .mba177-h-header-actions button{border:0;background:none;padding:7px;color:#151613;cursor:pointer;border-radius:4px;margin:0;box-shadow:none;width:auto;height:auto}.mba177-header .mba177-h-header-actions svg{display:block;width:21px;height:21px}.mba177-header .mba177-h-menu-toggle{display:none}
.mba177-header .mba177-h-search-panel{padding:24px 0;border-top:1px solid #e8e1d6;background:#fbf9f5}.mba177-header .mba177-h-search-panel label{display:block;margin-bottom:12px;font:17px/1.4 Georgia,serif}.mba177-header .mba177-h-search-line{display:flex;gap:10px}.mba177-header .mba177-h-search-line input{flex:1;min-width:0;border:1px solid #d5c2ac;border-radius:4px;background:white;color:#151613;padding:14px;font:17px/1.4 Georgia,serif;box-shadow:none;width:auto;height:auto}
.mba177-header .mba177-h-copper-button{display:inline-flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,#b5845d,#975e38);border:1px solid #bf906d;border-radius:3px;padding:14px 27px;font:17px/1.4 Georgia,serif;cursor:pointer;margin:0;width:auto;height:auto}.mba177-header [hidden]{display:none!important}
.mba177-header a:focus-visible,.mba177-header button:focus-visible,.mba177-header input:focus-visible{outline:2px solid #975027;outline-offset:5px}
@media(max-width:1280px){.mba177-header .mba177-h-header-inner{flex-wrap:wrap;gap:14px;padding:16px 0}.mba177-header #main-nav{order:3;width:100%;justify-content:center;margin:0;gap:28px}.mba177-header .mba177-h-header-actions{margin-left:auto}}
@media(max-width:760px){.mba177-header .mba177-h-container{width:90%}.mba177-header .mba177-h-header-inner{min-height:88px;padding:14px 0;gap:14px}.mba177-header .mba177-h-brand{flex-basis:100%;width:max-content;max-width:max-content}.mba177-header .mba177-h-wordmark{font-size:32px}.mba177-header .mba177-h-tagline{font-size:10px}.mba177-header .mba177-h-header-actions{width:100%;justify-content:space-between;gap:8px;margin-left:0}.mba177-header .mba177-h-author-action{font-size:14px;padding:9px 11px}.mba177-header .mba177-h-account-action{font-size:14px}.mba177-header .mba177-h-menu-toggle{display:block}.mba177-header #main-nav{display:none;justify-content:flex-start;gap:18px;padding:8px 0;font-size:16px}.mba177-header #main-nav.is-open{display:flex;flex-wrap:wrap}.mba177-header .mba177-h-search-line{gap:8px}.mba177-header .mba177-h-copper-button{padding:12px 18px;font-size:15px}}
@media(max-width:400px){.mba177-header .mba177-h-wordmark{font-size:29px}.mba177-header .mba177-h-tagline{font-size:9px}.mba177-header .mba177-h-header-actions{gap:4px}.mba177-header .mba177-h-header-actions button{padding:6px}}

/* V17.1.12: restrained, distinct account actions. */
.mba177-header .mba177-h-header-actions{gap:8px}.mba177-header .mba177-h-account-action{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:7px 12px;border:1px solid #d1b99e;border-radius:5px;background:#fffdf8;color:#6f492f;font-size:14px;line-height:1.2}.mba177-header .mba177-h-account-action+.mba177-h-account-action{background:#eee4d7;border-color:#d8c5ac;color:#43362b}.mba177-header .mba177-h-account-action:hover{background:#e6d6c3;border-color:#a57b53}.mba177-header .mba177-h-author-action{padding:9px 12px;font-size:14px}
@media(min-width:1281px) and (max-width:1500px){.mba177-header .mba177-h-header-inner{gap:16px}.mba177-header #main-nav{gap:19px}.mba177-header .mba177-h-header-actions{margin-left:0;gap:7px}.mba177-header .mba177-h-account-action{padding:7px 10px}}
@media(max-width:760px){.mba177-header .mba177-h-account-action{font-size:12px;padding:7px 9px;min-height:34px}.mba177-header .mba177-h-author-action{font-size:12px;padding:8px 10px}.mba177-header .mba177-h-header-actions{gap:6px}}